After months of rumors, the Rays finally traded a starting pitcher, shipping Matt Moore to San Francisco in exchange for a three player package headlined by infielder Matt Duffy. Eno Sarris already talked about what the Giants are hoping they get in Moore, so let’s talk about what they gave up to upgrade their rotation with a young controllable starting pitcher.

The prospects in this deal are both interesting. Lucius Fox cost the Giants a $6 million signing bonus last year after being declared an international free agent, and we rated him as the Giants #3 prospect this spring, noting his upside as a high-end athlete who might hit. He’s not close to the big leagues, but there’s some real upside here, especially if he turns out to be an above-average defensive shortstop; you don’t have to hit that well to have value if you can field at that level.

The other prospect, Michael Santos, is your typical deadline trade chip; a projectable hard-thrower in A-ball, nowhere close to the big leagues, with about as wide a range of outcomes as you could imagine. We ranked Santos as the Giants #16 prospect back in the spring, and he’s pitched well (though without missing bats) this year, so there’s some value there, though like Fox, he’s a long ways away.

But there’s one piece of the trade that isn’t a long-term project. While they got two A-ball lottery tickets in the deal, they also got back a big league infielder who put up a +5 WAR season last year. And more than anything else, this deal will probably be decided by the answer to the question: what is Matt Duffy, really?

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Bahamian (won’t ever get tired of typing that) SS Lucius Fox is headed to Tampa Bay as the primary prospect return for LHP Matt Moore. Fox was receiving late-first-round grades as a domestic amateur before reclassifying as an international prospect before his senior year and signing for $6.5 million during last year’s J2 period. Fox ranked third on FanGraphs’ 2015 J2 sortable board and was #2 in my personal rankings.

Fox turned 19 last month and is extremely young for the full-season Sally League, where he was hitting .207/.305/.277. Fox’s body was simply not ready for full-season ball. Though he’s exceptionally twitchy and athletic, he hasn’t matured enough to compete and succeed at that level. There’s bat speed here as well as feel for moving that barrel around the zone and Fox has the physical tools to be an above-average hitter who pulls out a dozen or so annual homers. The left-handed swing has more power potential than his more conservative right-handed cut.

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The Giants just added a 27-year-old left-hander with a 93 mph fastball and major-league success under his belt on an affordable contract until 2019. That left-hander, Matt Moore, hasn’t recorded the same ERA or strikeout rates he’d produced before his Tommy John surgery, but if you look under the hood, the stuff seems to be back.

That stuff, and that contract, made it worth the hefty price: 21-year-old right-handed pitcher Michael Santos, exciting young 19-year-old Bahamian shortstop Lucius Fox, and — most painful of all — 25-year-old major-league third baseman Matt Duffy. Dave Cameron will have more on the choice to include Duffy, but either way, it’s a price you pay for a pitcher you believe can serve at least as a middle-of-the-rotation guy. A price you pay if you believe Moore has his stuff back.

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While deals for Zach Duke and Mark Melancon might have made it appear as though the price for relief pitching was coming down, the San Francisco Giants, in need of some help at the back end of the bullpen, have just paid a pretty high price to get the left-handed Brewers’ reliever Will Smith.

Here are the full terms.

Giants get:

• Will Smith (RHP)

Brewers get:

• Phil Bickford (RHP)
• Andrew Susac (C)

For the Giants, pursuing a reliever made a lot of sense. They have some useful pieces there, surely: Santiago Casilla has been generally reliable at the the end of the bullpen, Derek Law has pitched well with more exposure, and Hunter Strickland has been solid at time. As a whole, however, the group hasn’t done a lot to add to the Giants’ chances of reaching the postseason this year.

The Giants’ 19.8% strikeout rate is barely ahead of the Colorado Rockies’ (19.7%). By ERA (3.76) and FIP (3.92), the Giants pen sits in the middle of the National League pack. By WAR, however, the team places ahead only of the Arizona Diamondbacks and the abomination the Cincinnati Reds have put together. By Win Probability Added (WPA) among NL relievers, Casilla (0.63, 37th), Strickland (0.53, 39th) and Law (0.52, 40) — who, again, represent the back-end of San Francisco’s bullpen — are well behind the game’s better pitchers. The rest of the relief corps is hovering around zero or worse. They’ve landed someone who should be able to bolster the bullpen significantly this year, and perhaps into future seasons.

In 2015, mostly in the capacity of setting up Francisco Rodriguez, Will Smith was one of the best relievers in baseball, . He made 76 appearances, strinking out 35% of the batters he faced — and no NL reliever without a save had a higher WAR than Smith’s 1.4 mark. He moved into 2016 with the closer role his to lose, but lose it he did when he lost his balance while removing a shoe and twisting his right knee during spring training, an injury which required surgery. Smith hasn’t been as lights out this season, striking out 24% of batters against a 10% walk rate in 22 innings. Although his ERA and FIP have not stabilized due to a couple home runs, his strikeout rate in July has crossed the 30% threshold, providing some encouragement that Smith is on his way back.

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Adalberto Mejia’s turned in a 2.81 ERA in 18 starts between Double-A and Triple-A this year. His ERA was helped by a low BABIP, especially at the Double-A level. But even so, his 24% strikeout and 6% walk rates signify a solid pitcher. Although he’s pitched professionally since 2011, Mejia didn’t turn 23 until last month, which makes his high-minors dominance all the more impressive. Mejia’s numbers where significantly less impressive in a limited sample last season, but were still encouraging from a 22-year-old at Double-A.

My newly revamped KATOH projection system rates Mejia as a good, but not elite, pitching prospect. It projects him for 3.4 WAR over his first six seasons by the traditional method. Incorporating Baseball America rankings bumps Mejia’s forecast up to 3.9 WAR, which places him 94th overall among all prospects. To help you visualize what KATOH’s projection entails, here is a probability density function showing KATOH+’s projected distribution of outcomes for Mejia’s first six seasons in the major leagues.

To put some faces to Mejia’s statistical profile, let’s go ahead and generate some statistical comps for the southpaw. I calculated a Mahalanobis distance between Mejia’s Double-A and Triple-A performance this year and every season at those levels since 1991 in which a pitcher recorded at least 350 batters faced. In the table below, you’ll find the 10 most similar seasons, ranked from most to least similar. The WAR totals refer to each player’s first six seasons in the major leagues. A lower “Mah Dist” reading indicates a closer comp.

Please note that the Mahalanobis analysis is separate from KATOH. KATOH relies on macro-level trends, rather than comps. The fates of a few statistically similar players shouldn’t be used to draw sweeping conclusions about a prospect’s future. For this reason, I recommend using a player’s KATOH forecast to assess his future potential. The comps give us some interesting names that sometimes feel spot-on, but they’re mostly just there for fun.

The San Francisco Giants and the Minnesota Twins made a little trade last night. The weekend of the trade deadline is here, meaning we’re about to see a frenzy of deals, meaning this little guy involving Eduardo Nunez and barely-a-top-100 prospect that happened on Thursday night is going to get swept under the rug pretty quickly. If you’re here for a deep analysis of the move and the players involved, well, sorry.

I can tell you that Paul Swydan gave you a bit of that last night when the news broke, and Eric Longenhagen whipped up a report on Adalberto Mejia, the new Twins pitching prospect. I can tell you that Eduardo Nunez has been worth 1.0 WAR in his career, and 1.6 WAR this year. He was technically just an All-Star, but he was an All-Star in the way that the guys who finished after Lance Armstrong during his doping years are Tour de France champions.

I can also tell you that something’s fascinated me about Nunez for a while, and this is actually an article I’ve been dying to write. Throughout most of the year, though, folks aren’t exactly dying to read Eduardo Nunez articles. The time is now. I may never have a more opportune moment.

This is what this article will be about:

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Trade-deadline hysteria can lead to a dehumanization of players. In our effort to feverishly re-imagine our favorite team’s roster, all of us can be guilty of rooting to exchange this piece for that piece without considering all of the havoc that a trade can create for the people concerned.

I don’t mean to be a wet blanket. It’s fun to dream on that big acquisition that will put our teams over the top, and let’s please continue to do so.

But! We can also appreciate how difficult it must be to weather the constant speculation about your status, and then, if the trade is consummated, to then figure out how to move your life to another city — quickly.

So David Laurila and I set out to ask players about the experience. How did they find out? What were the conversations with the family like? What was the emotional roller coaster like? Thanks to the players that opened up, we can get a better sense of the human side of the trade deadline.

*****

Jeff Samardzija, Giants starting pitcher: “The first time, I watched all the rumors, and it ended up being Oakland, which wasn’t even on the radar, anywhere. The second time around I just ignored it all, and then I almost went to the White Sox and it fell through, and then a few days later it actually happened. Following for entertainment purposes is kinda fun.

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Matt Kemp took Jeff Samardzija deep on Saturday. In the third inning of a game played at Petco Park, the San Diego Padres outfielder deposited a slider from the San Francisco Giants righty over the left field wall. According to ESPN Home Run Tracker, the blast traveled 398 feet.

As you might expect, Samardzija wasn’t pleased with the pitch. He doesn’t feel the location was terrible, and “Shark” has a solid slider, but he regrets not throwing a sinker. He explained why prior to last night’s game at Fenway Park.

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Samardzija on facing Matt Kemp on July 16, 2016: “I walked the first two guys in the first inning. Kemp came up, hitting in the three-hole, and I struck him out on five pitches. Four of the five were sinkers in that he mostly swung through. One of them he fouled off and then he struck out swinging.

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Now that we’ve seen the triple-digit velocities of the Major League All-Star Game, let’s take a look at two prospects who sit in the low 90s with their fastballs! If that’s not exciting enough, neither one has what you might consider a plus secondary pitch! They’re not at the top of any prospect lists! Wait. Why are we going to talk about Phil Bickford and Joe Musgrove, anyway?

Because they have plus command. Command isn’t a thing on which you can easily put a number. Not only are minor-league strike zones more, uh, diverse than major-league ones, but so is the level of competition. A pitcher with a blazing fastball can fill up the zone with poor command and produce low walk rates. Think of Jose Berrios, who recently came up to the big leagues after putting up great walk rates in the minors — and this despite reservations on his organization’s behalf about his command. The command didn’t look sharp when he got to face big leaguers.

Plus command is a funny thing, though. When it’s not paired with elite stuff, it can be denigrated. Some don’t think much of misters Bickford and Musgrove. But, since Eric Longenhagen got a good look at those two at the Futures Game, and I had a chance to talk with each, let’s combine our views to take a clear look at these two and see what particular struggles they have, and what they have to say about fastball command. Turns out, they each have some unusual movement on their fastballs, and ideas on how to improve the rest of their repertoires.

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Most All-Stars weren’t born into baseball this way. Most of them had to alter their approach, or their mechanics, in order to find that a-ha moment. They threw a pitch differently, or decided to pull the ball more, or changed their swing, and then found a run of sustained success that put them in the All-Star game that’s being played tonight.

So, given fairly fettered access to the All-Stars from both leagues, that was the question I posed: what was the big adjustment, mechanical or approach-wise, that brought you to this podium today?

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